Assembled Size: Approx. 422.5x248x154mm/16.6x9.8x6.1inch ;Applicable Mainboard: For ITX (305x244mm/12x9.6in) | Open frame design, with good heat dissipation performance, bringing great using experience. | Made of high-quality 20x20 aluminum alloy material, sturdy and durable, supports ATX ordinary large power supply. | You can fully enjoy the fun of DIY with the easy assembling of the simple structure.It adopts high specification craft, precise hole position, convenient for install. | Package List:6 x Case Brackets; 1 Box of Auxiliary Tool; 1 Box of Screws; 1 x Installation Instruction